LTC1261LCMS8-4.5 Linear Technology, LTC1261LCMS8-4.5 Datasheet - Page 12
![IC SW CAP/INV -4.5V 20MA 8MSOP](/photos/6/57/65743/8-msop_05-08-1660_sml.jpg)
LTC1261LCMS8-4.5
Manufacturer Part Number
LTC1261LCMS8-4.5
Description
IC SW CAP/INV -4.5V 20MA 8MSOP
Manufacturer
Linear Technology
Type
Switched Capacitor (Charge Pump), Invertingr
Datasheet
1.LTC1261LCMS8PBF.pdf
(12 pages)
Specifications of LTC1261LCMS8-4.5
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
-4.5V
Current - Output
20mA
Frequency - Switching
650kHz
Voltage - Input
4.5V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Output Voltage
-4.5V
Output Current
20mA
Operating Supply Voltage (min)
4.75V
Operating Supply Voltage (max)
5.25V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Package Type
MSOP
Pin Count
8
Mounting
Surface Mount
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LTC1261LCMS8-4.5
Manufacturer:
LT
Quantity:
10 000
Part Number:
LTC1261LCMS8-4.5
Manufacturer:
LINEAR/凌特
Quantity:
20 000
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PART NUMBER
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LTC1517-5
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0.1 F
LTC1261L
12
TYPICAL APPLICATIONS
1 F
2
3
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear-tech.com
C1
C1
+
LTC1261L
–
GND
V
5V
CC
Low Output Voltage Generator
1
4
OUT
ADJ
DESCRIPTION
Micropower Low Dropout Regulator with Shutdown
Clock Synchronized Switched Capacitor Regulated Voltage Inverter GaAs FET Bias
Step-Up/Step-Down Switched Capacitors DC/DC Converters
Micropower, Regulated 5V Charge Pump DC/DC Converter
Micropower, Regulated 5V Charge Pump DC/DC Converter
Micropower, Regulated 5V Charge Pump DC/DC Converter
Low Noise Switched Capacitor Regulated Voltage Inverter
Sim Power Supply and Level Translator
1.4MHz Inverting Mode Switching Regulator
Inverting 600kHz Switching Regulator with Low-Battery Detector
Micropower Inverting DC/DC Converters
Low Noise Doubler Charge Pumps
Micropower, Regulated 5V Charge Pump with Shutdown in SOT-23 I
5
6
1N5817
100pF
+
U
R
124k
S
3.3 F
V
OUT
N
= V
= – 0.5V (R
= –1V (R
CC
– 9.92 A (R
S
= 487k)
S
= 432k)
1261L TA06
S
+ 124k)
1 F
5V
0.1 F
Minimum Parts Count – 4.5V Generator
COMMENTS
0.4V Dropout Voltage at 150mA, Low Noise,
Switched Capacitor Regulated Voltage Inverter
Fixed 1.8V or 2V Output from 2.4V to 6V Input,
I
V
I
LTC1522 Without Shutdown and Packaged in SOT-23
I
GaAs FET Bias with Linear Regulator, < 1mV Ripple, MSOP
Step-Up/Step-Down Sim Power Supply
and Level Translators
–5V at 150mA from a 5V Input, 5-lead SOT-23
–5V at 200mA from 5V Input in MSOP
–15V at 12mA from 2.5V Input, 5-lead SOT-23
Output Noise = 60 V
(V
OUT
OUT
OUT
CC
IN
IN
= 13 A, I
2V to 10V, V
= 100mA
= 20mA (V
= 10mA (V
2.7V)
1
2
3
4
V
C1
C1
GND
LTC1261L-4.5
OUT
CC
+
–
IN
IN
OUT
= 50mA (V
2V), I
2.7V), I
COMP
SHDN
is Fixed or Adjustable, I
RMS
REG
OUT
LINEAR TECHNOLOGY CORPORATION 1999
OUT
, 2.5V to 5.5V Output
8
7
6
5
OUT
1261lf LT/TP 0200 4K • PRINTED IN USA
IN
= 50mA (V
= 20mA (V
3V), I
+
OUT
3.3 F
IN
IN
= 25mA
3V)
OUT
V
AT 5mA
3V)
OUT
up to 50mA
1261L TA07
= – 4.5V